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What else can I help you with?
How many electrons shells does a helium atom have?
The electron configuration of helium is 1s2; two electrons on the first (and the single) electron shell.
The number of electrons in a helium atom?
Helium has only two electrons. It is the first noble gas in the periodic table and has a full outer electron shell.
How many electrons are found on the third shell of helium?
the number of electrons found in the third shell of an helium atom are nill because its atomic number is 2
How many electrons does helium has?
Helium has 2 electrons in the 1s orbital. This also means it has 2 valence electrons. For all neutral atoms, the number of electrons is equal to the number of protons (the same as the atomic number). i suggest you get a periodic table.
How many electrons are there in the valence shell of a nitrogen atom?
Nitrogen has 5 valence electrons. Its atomic number is 7 therefore it has a total of 7 electrons. If you put this in a Bohr-Rutherford Diagram, there would be 2 electrons in the first shell (Helium structure) and 5 electrons in the outer shell. The number of electrons in an element's outermost shell is its number of valence electrons.
What is the number of electrons that can occupy the first shell of an atom?
The first shell of an atom can hold a maximum of 2 electrons.
How many electrons does an atom of helium have atomic?
Helium atom has 2 electrons.
How many electrons are in the first shell of an atom of oxygen?
Oxygen has 8 electrons (assuming its charge is 0), and in the first shell ("closest" to the nucleus) there are 2 electrons. :)
Does helium have a complete outer shell?
Not by itself, no (that is, hydrogen is not a noble gas). A neutral hydrogen atom starts out with 1 electron, but it needs 2 electrons to fill its shell. Therefore, a hydrogen atom will often form 1 covalent bond with another atom, in order to gain that 1 extra electron it needs to fill its shell. Important note: Most elements need 8 electrons to get a full shell, but hydrogen is the exception: it only needs 2 electrons to get a full shell.
How many electrons will the first shell hold?
there are two electrons the first shell hold
How many electrons can the first shell hold?
The first electron shell, or energy level only holds 2 electrons. It is the smallest and closest energy level to the atom's nucleus. Hydrogen and helium are the only two elements to have electrons in just the first shell.
How many electrons are there in a first shell of a neutral neon atom?
Neon atom number 10: first shell (K) : 2 electrons second shell (L): 8 electrons all shells being filled up completely
